Entity-Relationship

Xem 1-4 trên 4 kết quả Entity-Relationship
  • Lược đồ thực thể - kết hợp bao gồm 3 thành phần chính...

    ppt36p keokopiko 02-08-2011 112 30   Download

  • The lesson identifies the types of data models. This lesson also explains the entityrelationship model and the relational model. In addition, this lesson covers the operators that work on relations.

    pdf39p tienphuoconline 03-05-2011 35 5   Download

  • Chapter 3 introduce Enhanced EntityRelationship (EER) Model. The following will be discussed in this chapter: Introduction to EER Model, subclasses and superclasses, specialization and generalization, constraints and characteristics of specialization and generalization, categories, design choices and example of other notation, formal definitions. Inviting you to refer.

    pdf57p youcanletgo_02 07-01-2016 17 1   Download

  • The following will be discussed in this chapter: Introduction to EER Model, subclasses and superclasses, specialization and generalization, constraints and characteristics of specialization/generalization, categories, design choices and example of other notation, formal definitions, database design modeling tools.

    pdf61p youcanletgo_02 07-01-2016 5 1   Download

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